English
Related papers

Related papers: On event-by-event pseudorapidity fluctuations in r…

200 papers

An analysis of local fluctuations, or spikes, is performed for charged particles produced in central C-Cu collisions at 4.5 GeV/$c$/nucleon. The distributions of spike-centers and the maximum density distributions are investigated for…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. L. Gogiberidze , L. K. Gelovani , E. K. Sarkisyan

We analyze two-particle pseudorapidity correlations in a simple model, where strings of fluctuating length are attached to wounded nucleons.The obtained straightforward formulas allow us to understand the anatomy of the correlations, i.e.,…

Nuclear Theory · Physics 2016-03-30 Wojciech Broniowski , Piotr Bozek

We explore the dependence of the pT correlations in the event-by-event analysis of relativistic heavy-ion collisions at RHIC made recently by the PHENIX and STAR Collaborations. We point out that the observed scaling of strength of…

Nuclear Theory · Physics 2009-11-11 W. Broniowski , W. Florkowski , B. Hiller , P. Bozek

Utilizing the three-fireball picture within the quark combination model, we study systematically the charged particle pseudorapidity distributions in both Au+Au and Cu+Cu collision systems as a function of collision centrality and energy,…

High Energy Physics - Phenomenology · Physics 2010-01-08 De-ming Wei , Feng-lan Shao , Jun Song , Yun-fei Wang

A study of multiplicity distribution of singly charged, doubly charged, multi charged projectile fragments and shower particles have been carried out for the peripheral collisions in 16O-emulsion,22Ne-emulsion and 28Si-emulsion interactions…

Nuclear Experiment · Physics 2018-02-20 Swarnapratim Bhattacharyya , Maria Haiduc , Alina Tania Neagu , Elena Firu

Elliptic flow at RHIC is computed event-by-event with NeXSPheRIO. We show that when symmetry of the particle distribution in relation to the reaction plane is assumed, as usually done in the experimental extraction of elliptic flow, there…

Nuclear Theory · Physics 2008-11-26 R. Andrade , F. Grassi , Y. Hama , T. Kodama , O. Socolowski

The related studies of two-particle correlations and event-by-event fluctuations have played important roles in the search for new physics through the experimental study of relativistic heavy ion collisions. We present a general method of…

Nuclear Experiment · Physics 2008-11-26 Michael Daugherity

Within the relativistic PWIA, spin observables have been recalculated for quasielastic ($\vec p,\vec p '$) and ($\vec p,\vec n$) reactions on a $^{40}$Ca target. The incident proton energy ranges from 135 to 300 MeV while the transferred…

Nuclear Theory · Physics 2009-10-30 G. C. Hillhouse , B. I. S van der Ventel , S. M. Wyngaardt , P. R. de Kock

We discuss recently measured event-by-event multiplicity fluctuations in relativistic heavy-ion collisions. It is shown that the non-monotonic behavior of the multiplicity fluctuations as a function of collision centrality can be fully…

Nuclear Theory · Physics 2009-11-10 M. Rybczynski , Z. Wlodarczyk

We investigate the effect of event-by-event fluctuations of the fireball created in high energy nuclear collisions on hard probe observables. We show that spatial inhomogeneities lead to changes in the nuclear suppression factor of high…

Nuclear Theory · Physics 2015-05-20 Rainer J. Fries , Ricardo Rodriguez

Continuous wavelet transform approach has been applied to the pseudo-rapidity distribution of shower particles produced in 16O-AgBr interactions at 60 AGeV and 32S-AgBr interactions at 200 AgeV. Multiscale analysis of wavelet…

High Energy Physics - Experiment · Physics 2017-10-25 Gopa Bhoumik , Argha Deb , Swarnapratim Bhattacharyya , Dipak Ghosh

We present the charged-particle pseudorapidity density in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02\,\mathrm{Te\kern-.25exV}$ in centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from $-3.5$ to…

Nuclear Experiment · Physics 2017-08-17 ALICE Collaboration

This paper presents the first measurement of event-by-event fluctuations of the elliptic flow parameter v_2 in Au+Au collisions at sqrt(s_NN) = 200GeV as a function of collision centrality. The relative non-statistical fluctuations of the…

Nuclear Experiment · Physics 2019-08-14 B. Alver

The event-by-event p_T-fluctuations due to the temperature variation are considered. The so-called Phi-measure is computed and shown to be a linear function of the temperature variance. The fluctuations of temperature naturally explain the…

Nuclear Theory · Physics 2009-11-07 R. Korus , St. Mrowczynski , M. Rybczynski , Z. Wlodarczyk

Recent results on event-by-event mean transverse momentum, $\mpt$, fluctuations in ultra-relativistic heavy ion collisions are briefly reviewed. We conclude that the observed fluctuations are in a rough agreement with that expected for the…

Nuclear Theory · Physics 2007-05-23 Sergei A. Voloshin

The event-by-event p_T-fluctuations in proton-proton and central Pb-Pb collisions, which have been experimentally studied by means of the so-called Phi-measure, are analyzed. The contribution due to the correlation which couples the average…

Nuclear Theory · Physics 2009-04-15 Robert Korus , Stanislaw Mrowczynski

We analyze $pA$ interactions at ultra-high energies within the semiclassical approximation for high energy processes accounting for the diffractive processes and a rapid increase with the incident energy of the coherence length. The…

High Energy Physics - Phenomenology · Physics 2014-10-08 M. Alvioli , L. Frankfurt , V. Guzey , M. Strikman

In this review, we systematically examine the principles and the practices of fluctuations such as the momentum and the charge fluctuations as applied to the heavy ion collisions. Main emphases are: (i) Fluctuations as signals of phase…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sangyong Jeon , Volker Koch

The statistical event-by-event analysis of inelastic interactions of protons in emulsion at 800 GeV reveals the existence of group of events with Gaussian pseudorapidity distributions for produced particles, as suggested by…

Nuclear Experiment · Physics 2018-10-18 U. U. Abdurakhmanov , K. G. Gulamov , V. V. Lugovoi , V. Sh Navotny

Dynamical relativistic effects are often neglected in the description of reactions with unstable nuclear beams at intermediate energies (E ~ 100 MeV/nucleon). Evidently, this introduces sizable errors in experimental analysis and…

Nuclear Theory · Physics 2015-06-26 C. A. Bertulani